IN VITRO STUDIES FURTHER DETAILS
In Vitro Study No: 1189
METHODS
Chemical
Conc. (mg/ml)
Volume (ml)
Loading (mg/cm2)
Vehicle
Species
Membrane
Site
Area (cm2)
Cell Type
Receptor Fluid
Temp. (oC)
Temp. Measured
Exposure Time (h)
Study Length (h)
Occluded
Analytical Method
Acetylsalicylic Acid
10
0.03
Acetone
Human
Dermatomed to 0.43mm
Abdomen
Static
pH 7.4 Buffer
37
Not Given
48
48
2
Radiolabelled (14C)
RESULTS
% Recovery
+/-
% In Stratum Corneum
+/-
% in Viable Skin
+/-
% Penetrated
+/-
% Absorbed
+/-
s-s-flux (mcrg/cm2/h)
+/-
kp (cm/h)
n
Lag Time (h)
11
NOTES
12-16 mcrg of Caffeine was added. Skin came from a single donor. N was between 3 and 5
REFERENCE
Variations In Permeability Of Human Skin Within And Between Specimens (1984) Int. J. Pharm., 18 :299-309